Cosmetic comprising a carrier for simultaneously discharging a first and a second cosmetic composition, process for its preparation

Abstract

The present specification relates to a cosmetic including a carrier for simultaneously discharging a first and a second cosmetic composition, the cosmetic according to an aspect of the present invention includes a carrier including a plurality of pores, at least a portion of the partition walls of the pores of the carrier is coated with a first cosmetic composition, and a component included in the first cosmetic composition is rendered stable, a second cosmetic composition is impregnated in the carrier, so that when the coated carrier is pressurized, the first and second cosmetic compositions are simultaneously discharged, the component included in the first cosmetic composition is discharged in a state in which the efficacy of the component is maintained even though it is discharged together with the second cosmetic composition which can render the component unstable, and thus the two cosmetic compositions mixed are applied to the skin.

Description

Technical Field

[0001] This specification relates to cosmetics comprising a carrier having multiple pores and methods for preparing the same, wherein at least a portion of the pore walls of the carrier is coated with a first cosmetic composition, and a second cosmetic composition is impregnated in the carrier. Background Technology

[0002] Existing liquid cosmetic compositions are mainly distributed and stored in vacuum containers, suction containers, or glass containers; however, these containers are inconvenient to carry. Recently, the demand for simple makeup application or touch-ups while out and about has increased, leading to a greater need for portable carriers for liquid cosmetic compositions.

[0003] Therefore, cushion cosmetics are a type of product that incorporates a liquid cosmetic composition into a porous material such as foam and is packaged in a box-shaped container. These cushion cosmetics can be applied to the skin using an applicator such as a powder puff, making them convenient to carry and use, and thus one of the most popular types of cosmetics today.

[0004] On the one hand, skin-active ingredients with effects such as skin whitening, wrinkle improvement, skin moisturizing, and skin anti-oxidation are mainly applied to the skin in a stable state within skincare cosmetics, thereby delivering their effects to the skin. Recently, expectations for high-efficacy cosmetics have been increasing, leading to a growing demand for skin-active ingredients in makeup products that also provide the effects of skincare cosmetics. However, these skin-active ingredients themselves are susceptible to changes in activity or discoloration due to the influence of air, moisture, heat, light, and other chemicals. In particular, when a composition contains skin-active ingredients as described above, stabilizing these ingredients during use is a challenging problem.

[0005] Furthermore, when two liquid cosmetic compositions, such as a cosmetic composition containing skin-active ingredients that can exert the effects of skincare cosmetics and a cosmetic composition with makeup functions, are impregnated in one carrier, problems arise such as a reduction in the efficacy, potency, or denaturation of the skin-active ingredients. Due to these problems, in order to use the two cosmetic compositions simultaneously, they must be placed in separate containers and used separately, which is inconvenient. Summary of the Invention

[0006] Technical issues

[0007] The inventors have conducted research on cosmetics in which two cosmetic compositions are contained in a single carrier in a stable manner, so that the entire composition can be applied to the skin with only one application, thereby increasing the convenience for the user.

[0008] The results of the research confirmed that when a first cosmetic composition comprising a skin-active ingredient is coated onto the pore partitions of a carrier comprising multiple pores, and the coated carrier is impregnated with a second cosmetic composition, the skin-active ingredient exists in a stable state in the carrier, and by pressurizing the carrier, the first cosmetic composition and the second cosmetic composition can be used simultaneously, thereby completing the present invention.

[0009] Therefore, in one aspect, the object of the present invention is to provide a cosmetic product that stably contains two or more cosmetic compositions that are different from each other in a carrier, and which, when used, can be mixed with the two or more cosmetic compositions and applied to the skin, thereby improving efficacy, effectiveness and convenience.

[0010] In other respects, the object of the present invention is to provide a method for preparing the cosmetic product.

[0011] Technical solution

[0012] According to one aspect of the present invention, a cosmetic is provided, comprising: a carrier including a plurality of pores; a first cosmetic composition coated on at least a portion of the septa of at least a portion of the pores; and a second cosmetic composition impregnated in the carrier.

[0013] In one aspect of the invention, when the carrier is pressurized, the cosmetic can simultaneously release the first cosmetic composition and the second cosmetic composition.

[0014] In one aspect of the invention, the carrier may be foam, natural sponge, fabric, felt, or mesh.

[0015] In one aspect of the invention, the average size of the plurality of pores may be 300 to 900 μm.

[0016] In one aspect of the invention, the density of the carrier before coating the first cosmetic composition and impregnating the second cosmetic composition can be from 0.02 to 0.2 g / cm³. 3 .

[0017] In one aspect of the invention, the carrier may have a pore number of 15 to 90 ppi (pore per inch).

[0018] In one aspect of the invention, the average thickness of the coating layer to which the first cosmetic composition is applied can be 20 to 450 μm.

[0019] In one aspect of the invention, the content of the first cosmetic composition coated on the polyurethane foam having a diameter of 48 mm, a height of 10 mm, and a pore number of 25 ppi as a carrier may be from 0.25 to 10.0 g.

[0020] In one aspect of the invention, the coating may be one or more selected from the group consisting of spray coating, dipping coating, and spreading coating.

[0021] In one aspect of the invention, the first cosmetic composition may include wax and a dispersion medium.

[0022] In one aspect of the invention, the wax may include one or more waxes selected from the group consisting of ozocerite, beeswax, multifunctional wax, candelilla wax, sunflower seed wax, polyethylene wax, crystalline wax, lanolin, wool wax, ceresine, paraffin wax, microcrystalline wax, petrolatum, Vanda wax, granular wax, and beeswax.

[0023] In one aspect of the invention, the dispersion medium may include one or more dispersion media selected from the group consisting of caprylic / capric triglyceride, dioctyl carbonate, and 3-(4-carboxy-2-oxo-1-pyrrolidinyl)propylmethylsiloxane.

[0024] In one aspect of the invention, the first cosmetic composition may include 0.5 to 40% by weight of wax relative to the total weight of the first cosmetic composition.

[0025] In one aspect of the invention, the first cosmetic composition may include 55 to 94.5% by weight of a dispersion medium relative to the total weight of the first cosmetic composition.

[0026] In one aspect of the invention, the hardness of the first cosmetic composition, measured before being applied to the carrier, can be between 150 and 600 gf, under the conditions of a No. 1 cylindrical adapter (probe), a worktable (head) speed of 20 mm / min, and a maximum stress of 2 kg by the force sensor.

[0027] In one aspect of the invention, the first cosmetic composition may further include skin-active ingredients.

[0028] In one aspect of the invention, the skin-active ingredient may include one or more selected from the group consisting of antioxidants, skin whitening agents, wrinkle improvers, moisturizers, and ultraviolet blockers.

[0029] In one aspect of the invention, the first cosmetic composition may be 1.5 to 67% by weight relative to the total weight of the first cosmetic composition and the second cosmetic composition.

[0030] In one aspect of the invention, the second cosmetic composition may be an emulsified type, an oil-dispersed type, a water-dispersed type, a polyol / oil type, or a surfactant-free type.

[0031] In one aspect of the invention, the first cosmetic composition and the second cosmetic composition may together comprise more than one ingredient.

[0032] In one aspect of the invention, the residual amount (%) of the cosmetic when the first cosmetic composition is coated on at least a portion of the pores of the carrier can be 80% or more, where the residual amount is the percentage of cosmetic residue. The cosmetic composition can be coated at a rate of 2.0 g. The carrier can be an ether-based polyurethane foam with a diameter of 48 mm, a height of 10 mm, and a pore size of 25 ppi. The residual amount (%) can be determined by using the initial content of the first cosmetic composition contained in the carrier immediately after coating as a reference, and after storing the coated carrier at 45°C for 1 week, calculating the percentage of the content of the first cosmetic composition remaining in the carrier.

[0033] According to another aspect of the present invention, a method for preparing the cosmetic is provided, comprising: applying a first cosmetic composition to at least a portion of the septum of at least a portion of the pores of a carrier comprising a plurality of pores; and impregnating the carrier with a second cosmetic composition.

[0034] Invention Effects

[0035] According to one aspect of the cosmetic invention, the activity of a skin-active ingredient may decrease or change color due to air, moisture, light, heat, or other different components. A first cosmetic composition containing the skin-active ingredient is stably coated on at least a portion of the septa in at least a portion of the pores of a carrier, thereby stabilizing the skin-active ingredient. A second cosmetic composition is impregnated in the coated carrier. When the coated carrier is pressurized, the first and second cosmetic compositions are discharged simultaneously. Even if the first cosmetic composition containing the skin-active ingredient is discharged together with the second cosmetic composition, which could destabilize the skin-active ingredient impregnated in the coated carrier, the skin-active ingredient is discharged while maintaining its efficacy, thus applying the mixed cosmetic compositions to the skin. Therefore, the cosmetic invention has the excellent effect of simultaneously providing the skin with the different effects of the ingredients contained in each cosmetic composition, thereby maintaining the stability of each of the two cosmetic compositions. Attached Figure Description

[0036] Figure 1a This is a photograph of a carrier prior to the application of a first cosmetic composition according to one aspect of the present invention. Figure 1b This is a photograph of a carrier after the first cosmetic composition has been applied to a cosmetic according to one aspect of the present invention;

[0037] Figure 2 These are photographs taken when a carrier of a cosmetic according to one aspect of the present invention is pressurized to confirm whether the first cosmetic composition and the second cosmetic composition are simultaneously discharged (a: a photograph before the second cosmetic composition is impregnated in the carrier, b: a photograph after the second cosmetic composition is impregnated in the carrier coated with the first cosmetic composition, c: a photograph after initial use (20 uses), d: a photograph after long-term use (60 uses). Detailed Implementation

[0038] The present invention will now be described in detail.

[0039] In one aspect of the invention, "carrier" refers to a substance capable of carrying any substance, component, or composition, and may also be referred to as "carrier body," "impregnating material," or "medium." Additionally, a "carrier" can be used to dispense the substance it carries onto another applicator. The composition carried by the carrier can be applied to the skin, for example, by hand or application tools such as powder puffs, pointed applicators, or brushes (also called applicators).

[0040] In one aspect of the invention, the “partition” of a pore refers to the wall or membrane between pores, and the surface of a pore exposed on one of the top, bottom, left, or right sides of the carrier, and can also be referred to as the “surface of the pore skeleton”.

[0041] In one aspect, the present invention provides a cosmetic comprising: a carrier including a plurality of pores; a first cosmetic composition applied to at least a portion of the partition walls of at least a portion of the pores of the carrier; and a second cosmetic composition impregnated in the carrier.

[0042] In one aspect of the invention, the cosmetic product may simultaneously release the first cosmetic composition and the second cosmetic composition while pressurizing the carrier. Simultaneous release means that appropriate amounts of the first and second cosmetic compositions are simultaneously released by a single pressurization or depressurization of the carrier, thereby mixing and applying the first and second cosmetic compositions to the skin, thus enabling the simultaneous delivery of the effects of both cosmetic compositions to the skin.

[0043] In one aspect of the invention, the carrier, as a material capable of impregnating (or carrying) and discharging cosmetic compositions, includes a material having multiple pores on its interior or surface, which, when pressure is applied from the outside, exhibits elastic resilience to absorb the pressure and, after the pressure is removed, returns to its original state.

[0044] In one aspect of the invention, the carrier includes a plurality of pores on its surface or interior. The carrier can be one or more types, and can be a multilayer structure comprising multiple layers. When the carrier is a multilayer structure, the first cosmetic composition can be coated on one or more layers. The morphology and number of pores in the carrier can vary depending on the composition of the coating layers and the type of cosmetic composition to be impregnated.

[0045] In one aspect of the invention, the carrier, as a porous material, can be foam, natural sponge, web, felt, or mesh.

[0046] In one aspect of the invention, the carrier can be a foam made of a foamed polymer resin. Alternatively, it can be formed by placing a specific substance in the carrier and then redissolving it or removing the substance through a chemical reaction. Further, the pores can be formed by processing the polymer resin into a non-woven fabric form or by sintering granular resin. However, this is not particularly limiting; the carrier can be prepared according to methods known in the art.

[0047] In one aspect of the invention, when the carrier is foam, the foaming process can be controlled, and the pore size, porosity, pore distribution, density, etc., of the foam can be adjusted according to the application. Generally, according to the art, the amount and type of foaming agent, the type and injection amount of foaming gas, the foaming temperature and pressure, other additives, etc., can be appropriately adjusted during foaming, and such adjustments are obvious to those skilled in the art.

[0048] In one aspect of the invention, the carrier can vary in shape depending on the foam preparation process. The carrier can have one or more structures selected from the group consisting of open cells, closed cells, semi-open cells, and cell-in-cell structures. The cell-in-cell structure refers to a structure that includes small pores within large pores; these are small pores formed in the framework or structure (or root) of the pores, in addition to the large pores formed during the foaming process. The cell-in-cell structure of the carrier can prevent the cosmetic composition from clumping when applied, allowing for even distribution on the skin without clumping. Through the cell-in-cell structure, even when the carrier contains a low-viscosity cosmetic composition, no precipitation of the composition occurs, resulting in excellent high-concentration cosmetic effects such as color performance, concealing power, moisturizing power, application feel, and elasticity.

[0049] In one aspect of the invention, the carrier may be a synthetic foam or a natural foam. Additionally, the foam may also contain fibers. The synthetic foam may comprise one or more materials selected from the group consisting of nitrile-butadiene rubber (NBR), butadiene rubber (BR), styrene-butadiene rubber (SBR), nitrile rubber, butyl rubber, natural rubber (NR), polyurethane (PU), polyether, polyester, polyvinyl chloride (PVC), polyethylene (PE), ethylene vinyl acetate (EVA), latex, silicone, styrene isoprene styrene (SIS), styrene ethylene butylene styrene (SEBS), polyvinyl alcohol (PVA), polylactic acid (PLA), silicone elastomers, and chloroprene rubber, but is not limited thereto. The natural foam may include, selected from sponges, cellulose, natural pulp, loofah, ramie, ramie (plant), ayate (coarse cloth from agave or coconut palm), algae, bamboo, sisal, sisal terry (a towel-like, absorbent fabric woven from sisal), konjac, and tencel. TM It includes, but is not limited to, one or more materials from the group consisting of fibrous fabrics (using Tencel fiber, a natural antibacterial material made from eucalyptus), cotton felt, Tencel cotton, and abaca fiber.

[0050] In addition, in one aspect of the present invention, when the carrier is a fabric, it may include one or more synthetic fibers selected from the group consisting of nylon, cellulose acetate, nylon nonwoven fabric, cashmilon fiber (a synthetic fiber with acrylic fiber as the main component, i.e., acrylic fiber), comfort fiber, polypropylene terephthalate fiber, polyethylene, polypropylene, polyacrylate, polyacetic acid, polylactic acid, and polylactic acid composite fibers (environmentally friendly and biodegradable).

[0051] In one aspect of the invention, the carrier may have a membrane structure, a mesh structure, a spool structure, or a combination of more than one of these structures. A "membrane structure" refers to a structure in which the pores of the carrier are separated from each other by membranes (or partitions) defining the individual pores. A "membrane structure" refers to a planar mesh-like structure formed by connecting polygonal pores. A "membrane structure" refers to a structure in which at least a portion of the pores of the carrier are connected to each other, thus forming a sparse, net-like structure. A "spool structure" refers to a structure in which the pores of the carrier are formed in a wavy, wave-like shape. According to an embodiment of the invention, it has been confirmed that the first cosmetic composition is stably coated on at least a portion of the partitions of the pores in the membrane structure, mesh structure, spool structure, or a combination of more than one of these structures, thereby maintaining the coating state even during long-term storage (Experimental Examples 1 and 5).

[0052] In one aspect of the invention, the average size of the plurality of pores can be between 300 and 90 μm. The size of the pores refers to the longest diameter of each individual pore, and the average size of the plurality of pores refers to the average of the sum of the sizes of the individual pores. Specifically, the average size of the plurality of pores can be 300 μm or more, 350 μm or more, 400 μm or more, 450 μm or more, 500 μm or more, 550 μm or more, 600 μm or more, 650 μm or more, 700 μm or more, 750 μm or more, 800 μm or more, or 850 μm or more, and can be less than 900 μm, less than 850 μm, less than 800 μm, less than 750 μm, less than 700 μm, or less than 650 μm. The pore size can be 600 μm or less, 550 μm or less, 500 μm or less, 450 μm or less, 400 μm or less, or 350 μm or less. However, as long as the first cosmetic composition is stably coated on the pore walls of the carrier, and the first cosmetic composition is discharged when the carrier is pressurized, it can be applied to the skin in a state that maintains the efficacy of the skin-active ingredients contained in the first cosmetic composition, and the pore size can impregnate and discharge the second cosmetic composition, it is not limited to this. However, when the average size of the plurality of pores is less than 300 μm, the pore space for impregnating the cosmetic composition is small, resulting in difficulties in filling and discharging the cosmetic composition. Conversely, when it exceeds 900 μm, the carrying capacity of the cosmetic composition decreases, and it is difficult to adjust the discharge amount.

[0053] In one aspect of the invention, the density of the carrier before coating the first cosmetic composition and impregnating the second cosmetic composition can be from 0.02 to 0.2 g / cm³. 3 Specifically, the density of the carrier before coating the first cosmetic composition and impregnating the second cosmetic composition can be 0.02 g / cm³. 3Above, 0.03g / cm 3 Above, 0.04g / cm 3 Above, 0.06g / cm 3 Above, 0.08g / cm 3 Above, 0.1g / cm 3 Above, 0.12g / cm 3 Above, 0.14 g / cm 3 Above, 0.16g / cm 3 Above or 0.18 g / cm 3 The density of the carrier before coating the first cosmetic composition and impregnating the second cosmetic composition can be 0.2 g / cm³. 3 Below, 0.18g / cm 3 Below, 0.16g / cm 3 Below, 0.14g / cm 3 Below, 0.12g / cm 3 Below, 0.1g / cm 3 Below, 0.08g / cm 3 Below, 0.06g / cm 3 Below or 0.04 g / cm 3 However, the density of the carrier capable of impregnating and discharging the second cosmetic composition is not limited to the following: as long as the first cosmetic composition is stably coated onto the pores of the carrier, and the first cosmetic composition is discharged under pressure on the coated carrier, thereby enabling it to be applied to the skin while maintaining the efficacy of the skin-active ingredients contained in the first cosmetic composition, the carrier density is not limited to this. However, when the density of the carrier is less than 0.02 g / cm³, the following applies. 3 At times, excessive amounts of cosmetic compositions are inconvenient to dispose of; conversely, when the concentration exceeds 0.2 g / cm³, the concentration is less than 0.2 g / cm³. 3 At that time, the impregnation and discharge of the cosmetic composition may not be completed smoothly.

[0054] In one aspect of the invention, the carrier may have a pore number of 15 to 90 ppi (pores per inch). In this specification, "pore number" refers to the number of pores per inch of the carrier, which can be an average value obtained by measuring the number of pores present along a 1-inch horizontal and vertical line using WI-QA-14 (ASTM standard). Specifically, the pore number of the carrier may be 15 ppi or more, 20 ppi or more, 25 ppi or more, 30 ppi or more, 35 ppi or more, 40 ppi or more, 45 ppi or more, 50 ppi or more, 55 ppi or more, 60 ppi or more, 65 ppi or more, 70 ppi or more, 75 ppi or more, 80 ppi or more, or 85 ppi or more, and may be less than 90 ppi, less than 85 ppi, less than 80 ppi, less than 75 ppi, less than 70 ppi, less than 65 ppi, or less than 60 ppi. The number of pores is not limited to ppi or less, 55 ppi or less, 50 ppi or less, 45 ppi or less, 40 ppi or less, 35 ppi or less, 30 ppi or less, 25 ppi or less, or 20 ppi or less. However, as long as the first cosmetic composition is stably coated onto the pore walls of the carrier, and the first cosmetic composition is released when the coated carrier is pressurized, thereby allowing it to be applied to the skin while maintaining the efficacy of the skin-active ingredients contained in the first cosmetic composition, and the number of pores capable of impregnating and releasing the second cosmetic composition, it is not limited to these. However, when the number of pores in the carrier is less than 15 ppi, it is difficult to uniformly coat the cosmetic composition; conversely, when it exceeds 90 ppi, the content of the coated cosmetic composition increases, resulting in a reduced user experience.

[0055] In one aspect of the invention, the hardness of the carrier, having a diameter of 48 mm and a height of 10 mm, can be between 40 and 70 based on an ASKER Type F hardness tester. The hardness of the carrier refers to the hardness of the carrier without the first cosmetic composition applied or without impregnation of the second cosmetic composition. Specifically, the hardness of the carrier, based on an ASKER Type F hardness tester, can be 40 or higher, 45 or higher, 50 or higher, 55 or higher, 60 or higher, or 65 or higher, and can be 70 or lower, 65 or lower, 60 or lower, 55 or lower, 50 or lower, or 45 or lower. However, the hardness is not limited to this as long as the first cosmetic composition is stably applied to the pores of the carrier, and the first cosmetic composition is released when the applied carrier is pressurized, thereby enabling application to the skin while maintaining the efficacy of the skin-active ingredients contained in the first cosmetic composition, and enabling the impregnation and release of the second cosmetic composition. However, when the hardness of the carrier is within the above range, the carrier exhibits excellent durability, especially in the filling and dispensing of cosmetic compositions, where it can perform exceptionally well.

[0056] In one aspect of the invention, the cosmetic can have a first cosmetic composition applied to at least a portion of the pore walls of at least a portion of the carrier. Specifically, the pore walls of at least a portion of the carrier can refer to the pore walls existing on one or more of the entire surface area of ​​the carrier, or it can refer to the pore walls existing within the carrier. The carrier includes the pore walls existing on one or more of the surface area of ​​the carrier and all the pore walls existing within the carrier. That is, the first cosmetic composition can be applied to one or more of the entire surface area of ​​the carrier, and the cosmetic composition can be applied to at least a portion of the pore walls existing within the carrier. The carrier includes the pore walls existing on one or more of the surface area of ​​the carrier and all the pore walls existing within the carrier. The first cosmetic composition is coated on the pore walls of the carrier, thereby existing on the carrier according to one aspect of the invention in a physically separated state from the second cosmetic composition. Thus, the components contained in the first cosmetic composition that may be deactivated or discolored by air, moisture, light, heat, or other different components can exist on the carrier without being affected by factors such as reduced activity or easy discoloration due to air, moisture, etc., other than the components contained in the second cosmetic composition.

[0057] In one aspect of the invention, the carrier for coating the first cosmetic composition may be exposed on the surface of the cosmetic or contained within the cosmetic facing downwards.

[0058] In one aspect of the invention, the average thickness of the coating layer on which the first cosmetic composition is applied can be from 20 to 450 μm. The average thickness of the coating layer refers to the average thickness of a coating layer with a thickness exceeding 0 μm formed by applying the first cosmetic composition, and more specifically, the average thickness of a coating layer with a thickness exceeding 0 μm formed by uniformly applying the first cosmetic composition. Specifically, the average thickness of the coating layer on which the first cosmetic composition is applied can be 20 μm or more, 30 μm or more, 40 μm or more, 43 μm or more, 50 μm or more, 55 μm or more, 53 μm or more, 60 μm or more, 70 μm or more, 80 μm or more, 90 μm or more, 100 μm or more, 110 μm or more, 120 μm or more, 130 μm or more, 140 μm or more, 150 μm or more, 160 μm or more, 170 μm or more, 180 μm or more, 190 μm or more, 200 μm or more, 210 μm or more, 220 μm or more, or 230 μm or more. Above 240μm, above 250μm, above 260μm, above 270μm, above 280μm, above 290μm, above 300μm, above 310μm, above 320μm, above 330μm, above 340μm, above 350μm, above 360μm, above 370μm, above 380μm, above 390μm, above 400μm, above 410μm, above 420μm, above 430μm, or above 440μm, and can be below 450μm, below 440μm, below 430μm, below 420μm, below 410μm, 40 Below 0μm, below 390μm, below 380μm, below 370μm, below 360μm, below 350μm, below 340μm, below 330μm, below 320μm, below 310μm, below 300μm, below 290μm, below 280μm, below 270μm, below 260μm, below 250μm, below 240μm, below 230μm, below 220μm, below 210μm, below 200μm, below 190μm, below 180μm, below 170μm, below 160μm, below 150μm, below 140μm, 1 The thickness of the coating can be 30μm or less, 120μm or less, 110μm or less, 100μm or less, 90μm or less, 80μm or less, 70μm or less, 60μm or less, 53μm or less, 50μm or less, 43μm or less, 40μm or less, or 30μm or less. However, it is not limited to the following as long as the first cosmetic composition is stably coated on the pores of the carrier, the first cosmetic composition is discharged when the coated carrier is pressurized, so that it can be applied to the skin in a state that maintains the efficacy of the skin-active ingredients contained in the first cosmetic composition, and the average coating thickness that can impregnate and discharge the second cosmetic composition.However, when the average coating thickness of the first cosmetic composition is less than 20 μm, the ingredients contained in the cosmetic composition do not show efficacy; conversely, when it exceeds 450 μm, there is a problem of reduced load-bearing capacity of the cosmetic composition impregnated in the carrier.

[0059] In one aspect of the invention, the content of the first cosmetic composition coated on the polyurethane foam having a diameter of 48 mm, a height of 10 mm, and a pore number of 25 ppi as a carrier may be from 0.25 to 10.0 g.Specifically, the content of the first cosmetic composition coated on the polyurethane foam with a diameter of 48 mm, a height of 10 mm, and a pore size of 25 ppi, which serves as a carrier, can be 0.25 g or more, 0.3 g or more, 0.4 g or more, 0.5 g or more, 0.6 g or more, 0.8 g or more, 1.0 g or more, 1.2 g or more, 1.4 g or more, 1.5 g or more, 1.6 g or more, 1.8 g or more, 2.0 g or more, 2.2 g or more, 2.4 g or more, 2.6 g or more, 2.8 g or more, 3.0 g or more, 3.2 g or more, 3.4 g or more, 3.6 g or more, 3.8 g or more, 4.0 g or more, 4.2 g or more, 4.4 g or more. The following are acceptable weight values: 4.5g and above, 4.6g and above, 4.8g and above, 5.0g and above, 5.2g and above, 5.4g and above, 5.6g and above, 5.8g and above, 6.0g and above, 6.2g and above, 6.4g and above, 6.6g and above, 6.8g and above, 7.0g and above, 7.2g and above, 7.4g and above, 7.6g and above, 7.8g and above, 8.0g and above, 8.2g and above, 8.4g and above, 8.6g and above, 8.8g and above, 9.0g and above, 9.2g and above, 9.4g and above, 9.6g and above, or 9.8g and above. Weight values ​​can also be below 10.0g, below 9.8g, below 9.6g, below 9.4g, or 9. Below 2g, below 9.0g, below 8.8g, below 8.6g, below 8.4g, below 8.2g, below 8.0g, below 7.8g, below 7.6g, below 7.4g, below 7.2g, below 7.0g, below 6.8g, below 6.6g, below 6.4g, below 6.2g, below 6.0g, below 5.8g, below 5.6g, below 5.4g, below 5.2g, below 5.0g, below 4.8g, below 4.6g, below 4.5g, below 4.4g, below 4.2g, below 4.0g, below 3.8g, below 3.6g, below 3.4g, below 3.2g, below 3.0g, below 2.8g and above The amounts are not limited to 2.6g or less, 2.4g or less, 2.2g or less, 2.0g or less, 1.8g or less, 1.6g or less, 1.5g or less, 1.4g or less, 1.2g or less, 1.0g or less, 0.8g or less, 0.6g or less, 0.5g or less, 0.4g or less, 0.3g or less, or 0.25g or less. However, as long as the first cosmetic composition is stably coated on the pores of the carrier, and the first cosmetic composition is discharged when the coated carrier is pressurized, so that it can be applied to the skin in a state that maintains the efficacy of the skin-active ingredients contained in the first cosmetic composition, and the coating content can be impregnated and discharged, it is not limited to these.However, when the coating content of the first cosmetic composition is less than 0.25g, the ingredients contained in the cosmetic composition do not show efficacy; conversely, when it exceeds 10.0g, there is a problem of reduced carrying capacity of the cosmetic composition impregnated in the carrier.

[0060] In one aspect of the invention, the coating can be one or more selected from the group consisting of spray coating, dipping coating, and spreading coating. The dipping coating can be a coating performed by immersing the carrier in the first cosmetic composition, or a coating performed by repeatedly applying or removing pressure while immersing the carrier in the first cosmetic composition. The spray coating can be a coating performed by spraying the first cosmetic composition, or a mixture of the first cosmetic composition and a solvent, onto the carrier, wherein the spray can be applied to one or more sides of the carrier. The spreading coating can be a coating performed by loading the first cosmetic composition onto the carrier, spreading it out, and heating the surface. The spray coating or spreading coating may further include a rotation and pressure process.

[0061] In one aspect of the invention, the first cosmetic composition may include a wax and a dispersion medium. The first cosmetic composition, comprising a wax and having a specific range of hardness, is applied to the pore walls of a carrier. When pressure above a certain level is applied to the coated carrier, it is discharged and mixed with a co-discharged second cosmetic composition, thereby enabling application to the skin. Thus, the effects of both the first and second cosmetic compositions can be simultaneously delivered to the skin.

[0062] In one aspect of the invention, the first cosmetic composition and the second cosmetic composition may jointly comprise one or more ingredients. The common ingredients of the first and second cosmetic compositions are not particularly limited; however, for smooth mixing, they may jointly comprise one or more oil-soluble ingredients contained in the first cosmetic composition. Specifically, by jointly comprising one or more waxes, the first and second cosmetic compositions can be mixed and applied to the skin. When the first cosmetic composition comprises a skin-active ingredient, and the first and second cosmetic compositions comprise one or more common ingredients, the skin-active ingredient and the second cosmetic composition are effectively mixed under pressure applied during use, thereby simultaneously and stably delivering the effects of both cosmetic compositions to the skin.

[0063] In one aspect of the invention, the wax contained in the first cosmetic composition is a solid oil (solid grease), which is a substance that is solid at room temperature (about 12 to 25°C) and liquid at high temperature or pressure, and is used to coat the pore walls of the carrier. Specifically, the wax may include at least one wax with a melting point of 40 to 90°C. More specifically, the wax may include one or more selected from the group consisting of natural waxes, synthetic waxes, fatty acids, and fatty alcohols. Further specifically, the natural waxes include animal waxes such as beeswax and lanolin; mineral waxes such as ozocerite and ceresine; plant waxes such as palm wax, candelilla wax, sunflower seed wax, phytowax, olive wax, jojoba wax, and shea butter wax; and petroleum waxes such as paraffin wax and microcrystalline (composite) wax. The synthetic waxes include polypropylene, polyethylene, etc. The fatty acids and fatty alcohols may include one or more selected from the group consisting of cetyl alcohol, octadecyl alcohol, and stearic acid, but are not limited to those that can form a uniform coating layer on the pore walls of the carrier impregnated with the cosmetic composition and can be stably coated, and the type of cosmetic composition discharged under pressure.

[0064] In one aspect of the invention, the first cosmetic composition may include 0.5 to 40% by weight of wax relative to the total weight of the first cosmetic composition. Specifically, the wax, relative to the total weight of the first cosmetic composition, may include 0.5% or more by weight, 1% or more by weight, 2% or more by weight, 3% or more by weight, 4% or more by weight, 5% or more by weight, 6% or more by weight, 7% or more by weight, 8% or more by weight, 9% or more by weight, 10% or more by weight, 11% or more by weight, 12% or more by weight, 13% or more by weight, 14% or more by weight, 15% or more by weight, 16% or more by weight, 17% or more by weight, 18% or more by weight, 19% or more by weight, 20% or more by weight, 21% or more by weight, 22% or more by weight, 23% or more by weight, 24% or more by weight, 25% or more by weight, 26% or more by weight, 27% or more by weight, 28% or more by weight, 29% or more by weight, 30% or more by weight, 32% or more by weight, 34% or more by weight, 36% or more by weight, or... 38% by weight or more may include less than 40% by weight, less than 38% by weight, less than 36% by weight, less than 34% by weight, less than 32% by weight, less than 30% by weight, less than 29% by weight, less than 28% by weight, less than 27% by weight, less than 26% by weight, less than 25% by weight, less than 24% by weight, less than 23% by weight, less than 22% by weight, less than 21% by weight, less than 20% by weight, less than 19% by weight, less than 18% by weight, less than 17% by weight, less than 16% by weight, less than 15% by weight, less than 14% by weight, less than 13% by weight, less than 12% by weight, less than 11% by weight, less than 10% by weight, less than 9% by weight, less than 8% by weight, less than 7% by weight, less than 6% by weight, less than 5% by weight, less than 4% by weight, less than 3% by weight, less than 2% by weight, or less than 1% by weight, however, it is not limited to this. However, when the wax content is less than 0.5% by weight relative to the total weight of the first cosmetic composition, the first cosmetic composition cannot be applied smoothly, and the application stability is reduced. Conversely, when the wax content is more than 40% by weight relative to the total weight of the first cosmetic composition, it may cause problems with the emission of the first cosmetic composition during use.

[0065] In one aspect of the invention, the dispersion medium contained in the first cosmetic composition is used for the dispersion of the aforementioned wax and the skin-active ingredients described later. It may include one or more dispersion media selected from the group consisting of hydrocarbon oils, ester oils, carbonate oils, ether oils, and natural silicone oils. Specifically, the dispersion medium may include one or more dispersion media selected from the group consisting of caprylic / capric triglyceride, dicaprylyl carbonate, and 3-(4-carboxy-2-oxo-1-pyrrolidinyl)propyl methylsiloxane. However, the type of cosmetic composition to be discharged under pressure is not limited to this, as long as it can form a uniform coating layer on the pore walls of the carrier impregnating the cosmetic composition and be stably coated.

[0066] In one aspect of the invention, the first cosmetic composition may include 55 to 94.5% by weight of a dispersion medium relative to the total weight of the first cosmetic composition. Specifically, the dispersion medium, relative to the total weight of the first cosmetic composition, may include 55% or more by weight, 60% or more by weight, 65% or more by weight, 70% or more by weight, 75% or more by weight, 80% or more by weight, 85% or more by weight, or 90% or more by weight, and may include less than 94.5% by weight, less than 90% by weight, less than 85% by weight, less than 80% by weight, less than 75% by weight, less than 70% by weight, less than 65% by weight, or less than 60% by weight, but is not limited thereto. However, when the content of the dispersion medium is less than 55% by weight relative to the first cosmetic composition, it is difficult to mix and discharge the first cosmetic composition coated on the pore walls of the carrier and the second cosmetic composition impregnated in the carrier. Conversely, when the content of the dispersion medium exceeds 94.5% by weight relative to the total weight of the first cosmetic composition, there is a problem of reduced stability of the first cosmetic composition coated on the carrier.

[0067] In one aspect of the invention, the hardness of the first cosmetic composition, measured before being applied to the carrier, can be between 150 and 600 gf, under the conditions of a No. 1 cylindrical adapter (probe), a worktable (head) speed of 20 mm / min, and a maximum stress of 2 kg by the force sensor. Under the stated testing conditions, the hardness of the first cosmetic composition, measured before coating on the carrier, can be 150 gf or higher, 160 gf or higher, 180 gf or higher, 200 gf or higher, 220 gf or higher, 240 gf or higher, 260 gf or higher, 280 gf or higher, 300 gf or higher, 320 gf or higher, 340 gf or higher, 360 gf or higher, 380 gf or higher, 400 gf or higher, 420 gf or higher, 440 gf or higher, 460 gf or higher, 480 gf or higher, 500 gf or higher, 520 gf or higher, 540 gf or higher, 560 gf or higher, or 580 gf or higher, or less than 600 gf, less than 580 gf, less than 560 gf, or less than 540 gf. The hardness of the first and second cosmetic compositions applied to the skin is not limited to the following values: below 520gf, below 500gf, below 480gf, below 460gf, below 440gf, below 420gf, below 400gf, below 380gf, below 360gf, below 340gf, below 320gf, below 300gf, below 280gf, below 260gf, below 240gf, below 220gf, below 200gf, below 180gf, or below 160gf. However, as long as a uniform coating layer can be formed on the pore walls of the carrier impregnated with the second cosmetic composition, and the first cosmetic composition is stably coated, the coated first cosmetic composition is discharged under pressure, thereby achieving a hardness of the first and second cosmetic compositions mixed and applied to the skin. However, when the hardness of the first cosmetic composition is less than 150gf, the first cosmetic composition cannot be uniformly coated on the pore walls of the carrier, making it difficult to form a stable coating layer. Conversely, when the hardness of the first cosmetic composition exceeds 600 gf, there is a problem that the cosmetic composition is difficult to dispense due to the application of the powder puff or other applicator.

[0068] In one aspect of the invention, the first cosmetic composition or the second cosmetic composition may further include skin-active ingredients. Specifically, the first cosmetic composition may further include skin-active ingredients. When both the first and second cosmetic compositions include skin-active ingredients, the skin-active ingredients contained in the first and second cosmetic compositions may be the same or different. The skin-active ingredients are components used to seek skin activity; specifically, they may be effective ingredients that exhibit various skin-active effects, such as antioxidants, skin whitening agents, wrinkle improvers, moisturizers, and natural extracts. More specifically, the skin-active ingredients may include, selected from epigallocatechingallate (EGCG), calamine, ceramide, collagen, hyaluronic acid, sodium hyaluronate, arbutin, licorice extract, mulberry bark extract, mulberry bark extract, saponin, flavonoid, vitamin A and its derivatives, vitamin B and its derivatives, vitamin C and its derivatives, vitamin E and its derivatives, niacinamide and its derivatives, selina-4(14),7(11)-dien-8-one (AT-1), 5,15-diacetyl-3-benzoyllathyrol, tripeptide, resveratrol, jasmonic acid, methyl jasmonic acid. The vitamin C derivative may be selected from one or more of the group consisting of jasmonate, oligopeptides and their derivatives, polyphenols and their derivatives, Melasolv, and soybean extracts, but is not limited thereto.

[0069] In one aspect of the invention, the carrier applies the skin-active ingredient to the surface of the pore walls of the carrier in a state contained in the first cosmetic composition, thereby stabilizing the skin-active ingredient and thus simultaneously exhibiting the effects of the skin-active ingredient, such as skin care, and the effects of the second cosmetic composition, such as makeup effects.

[0070] In one aspect of the invention, the skin-active ingredient itself suffers from reduced activity or discoloration due to the influence of air, moisture, heat, light, and other chemical substances, leading to limitations. In particular, when a cosmetic composition containing a skin-active ingredient and a cosmetic composition with makeup functions are mixed and prepared as a single composition, problems arise such as reduced efficacy, reduced potency, or denaturation of the skin-active ingredient. However, according to one aspect of the invention, the cosmetic can isolate the skin-active ingredient, which may experience reduced activity or discoloration due to air, moisture, light, heat, or other different components, by coating it onto the pore walls of a carrier, thereby preventing contact with the outside and improving stability. Furthermore, when the carrier is pressurized, even if a first cosmetic composition containing the skin-active ingredient is discharged together with a second cosmetic composition that could destabilize the skin-active ingredient impregnated in the carrier, it can easily mix with the second cosmetic composition and be delivered to the skin, thus achieving the effect of simultaneously and effectively delivering the second cosmetic composition to the skin, such as a makeup effect and the effect of the skin-active ingredient, such as a skincare effect.

[0071] In one aspect of the invention, the skin-active ingredient may be a colored substance, or a substance having the same or different color as the second cosmetic composition, thereby allowing the color of the coated carrier to change when the first cosmetic composition is coated onto the pore walls of the carrier.

[0072] In one aspect of the invention, the skin-active ingredient may be a liquid or a solid powder such as a powder.

[0073] In one aspect of the invention, the first cosmetic composition may be 1.5 to 67% by weight relative to the total weight of the first cosmetic composition and the second cosmetic composition. Specifically, the content of the first cosmetic composition relative to the total weight of the first cosmetic composition and the second cosmetic composition may be 1.5% by weight or more, 3% by weight or more, 5% by weight or more, 10% by weight or more, 15% by weight or more, 20% by weight or more, 25% by weight or more, 30% by weight or more, 35% by weight or more, 40% by weight or more, 45% by weight or more, 50% by weight or more, 55% by weight or more, 60% by weight or more, or 65% by weight or more, and may be less than 67% by weight, less than 65% by weight, less than 60% by weight, less than 55% by weight, less than 50% by weight, less than 45% by weight, less than 40% by weight, less than 35% by weight, less than 30% by weight, less than 25% by weight, less than 20% by weight, less than 15% by weight, less than 10% by weight, less than 5% by weight, less than 3% by weight, or less than 1.5% by weight, but is not limited thereto.

[0074] In one aspect of the present invention, the first cosmetic composition may, in addition to the stated components, include a variety of ingredients commonly used in the cosmetic field, or may further include a variety of ingredients depending on the intended use of the composition, without hindering the purpose of the present invention. Specifically, it may also include pH adjusters such as tromethamine, dyes, pigments and other colorants, fragrances, etc.

[0075] In one aspect of the invention, the method for preparing the carrier is not particularly limited. Specifically, the carrier can be prepared by coating at least a portion of the partition walls of at least a portion of the pores of the carrier with the first cosmetic composition.

[0076] In one aspect of the invention, the coating can be performed according to methods known in the cosmetics field. Specifically, the coating can be carried out by spraying, dipping, or spreading, but is not limited thereto.

[0077] More specifically, the first cosmetic composition can be coated onto the pore walls of the carrier by immersing the carrier in the first cosmetic composition for a certain period of time. In this case, by repeatedly applying or removing pressure while immersing the carrier in the first cosmetic composition, the first cosmetic composition can be coated more evenly and quickly onto the pore walls of the carrier.

[0078] In addition, after the first cosmetic composition is coated onto the carrier, a process using a rotator or a squeeze process can be performed to form a uniform coating layer. The squeeze process refers to the process of removing a certain amount of the first cosmetic composition by applying appropriate pressure or vacuum suction to the carrier coated with the first cosmetic composition, and adjusting the thickness of the first cosmetic composition uniformly coated on the pore walls of the carrier according to the intended use and the physical properties required therefrom. The squeeze process can be performed using pressure rollers or vacuum suction devices; any device or machine capable of applying pressure or vacuum suction can be used without limitation. The pressure or vacuum suction can be performed approximately 1 to 3 times, but is not particularly limited to this.

[0079] Then, a process for hardening the first cosmetic composition can be performed. During this hardening process, the first cosmetic composition is hardened while a coating layer is formed on the pore walls of the carrier, thereby obtaining a carrier coated with the first cosmetic composition. The hardening process can be performed using methods known to those skilled in the art, and can be performed at room temperature (25°C) or below.

[0080] In one aspect of the invention, the second cosmetic composition may be a liquid, cream, or gel composition, and may include powders such as powders.

[0081] In one aspect of the present invention, the second cosmetic composition may be an emulsified, oil-dispersed, water-dispersed, polyol / oil, or surfactant-free composition. Specifically, it may be an emulsified composition such as a water-in-oil-in-water (W / O / W), an oil-in-water-in-oil (O / W / O), an oil-in-water (W / O), or a water-in-oil (O / W) composition; a dispersed composition such as an oil-dispersed or water-dispersed composition; a polyol / oil composition; or a surfactant-free composition.

[0082] In one aspect of the present invention, the second cosmetic composition may be a color cosmetic composition, specifically, it may be a color makeup primer composition, a color makeup base composition, a foundation composition, a concealer composition, a lip composition, a lip liner composition, an eyebrow composition, an eyeshadow composition, an eyeliner composition, a blush composition, or a UV blocker composition, but is not limited thereto.

[0083] In one aspect of the invention, the residual amount (%) of the cosmetic when the first cosmetic composition is coated on at least a portion of the pores of the carrier can be 80% or more, wherein the residual amount is the percentage of the cosmetic composition remaining, wherein 2.0 g of the cosmetic composition can be coated, and the carrier can be an ether-based polyurethane foam with a diameter of 48 mm, a height of 10 mm, and a pore number of 25 ppi. The determination of the residual amount (%) can be based on the initial content of the first cosmetic composition contained in the carrier after coating the first cosmetic composition, and after storing the coated carrier at 45°C for 1 week, the percentage of the content of the first cosmetic composition remaining in the carrier can be calculated. Specifically, according to one aspect of the cosmetic of the present invention, even when a first cosmetic composition containing skin-active ingredients is applied to the pore walls of a carrier, and the residual amount is 80% or more, 81% or more, 82% or more, 83% or more, 84% or more, 85% or more, 86% or more, 87% or more, 88% or more, 89% or more, 90% or more, 91% or more, 92% or more, 93% or more, 94% or more, 95% or more, 96% or more, 97% or more, 98% or more, or 99% or more, thereby, when the first cosmetic composition is stored in the carrier for a long period of time, the cosmetic has an excellent effect of having a second cosmetic composition impregnated in the coated carrier applied to the skin together with the skin-active ingredients. According to one aspect of the present invention, it was confirmed that when the first cosmetic composition was stably applied to a residual amount (%) of 83% or more, or even about 99%, and the degree of application was also good, the skin-active ingredients contained in the first cosmetic composition and the second cosmetic composition could be properly mixed and applied to the skin without any foreign body sensation (Experimental Examples 5 and 7).

[0084] In other aspects, the present invention provides a method for preparing the cosmetic, comprising: applying a first cosmetic composition to at least a portion of the septa of at least a portion of the pores of a carrier comprising a plurality of pores; and impregnating the carrier with a second cosmetic composition. The cosmetic preparation method may be performed after the step of applying the first cosmetic composition, followed by the step of impregnating the second cosmetic composition. The description relating to the carrier, pores, pore septa, first cosmetic composition, application of the first cosmetic composition, second cosmetic composition, and impregnation of the second cosmetic composition is as described above.

[0085] In one aspect of the invention, the cosmetic preparation method may include the step of coating at least a portion of the septum of at least a portion of the pores of a carrier comprising a plurality of pores with a first cosmetic composition.

[0086] In one aspect of the invention, the step of applying the first cosmetic composition may include applying it to the carrier by spraying, dipping, or spreading; however, the application may be carried out by methods known in the cosmetic field, and is not limited thereto. The spraying, dipping, or spreading methods are as described above.

[0087] More specifically, the step of applying the first cosmetic composition may include: immersing the carrier in the first cosmetic composition for a certain period of time, thereby coating at least a portion of the pore walls of at least a portion of the carrier with the first cosmetic composition. In this case, by repeatedly applying or removing pressure while immersing the carrier in the first cosmetic composition, the first cosmetic composition can be coated more uniformly and quickly in at least a portion of the pore walls of at least a portion of the carrier.

[0088] Additionally, the step of coating the first cosmetic composition may further include a homogenization process to form a uniform coating layer after coating the carrier with the first cosmetic composition. Specifically, the homogenization process may include a process using a rotator or a squeeze process. The squeeze process refers to the process of removing a certain amount of the first cosmetic composition by applying appropriate pressure or depressurization suction to the carrier coated with the first cosmetic composition, thereby adjusting the thickness of the first cosmetic composition uniformly coated on at least a portion of the pore walls of the carrier according to the intended use and the physical properties required therefrom. The squeeze process may be carried out using pressure rollers or a vacuum suction device; any device or machine capable of applying pressure or depressurization suction can be used without limitation. Pressure or depressurization suction may be performed approximately 1 to 3 times, but is not particularly limited thereto.

[0089] In one aspect of the invention, the cosmetic preparation method may further include, after coating the first cosmetic composition, a step of hardening the first cosmetic composition. Through this hardening step, the first cosmetic composition is hardened while a coating layer is formed in at least a portion of the pore walls of the carrier, thereby obtaining a carrier coated with the first cosmetic composition. The hardening process can be carried out by methods known to those skilled in the art, and can be carried out at room temperature (25°C) or below.

[0090] In one aspect of the invention, the cosmetic preparation method may include the step of impregnating the carrier with a second cosmetic composition. The method of impregnating the second cosmetic composition is not particularly limited and can be implemented by methods known to those skilled in the art.

[0091] The following examples, preparation examples, and experimental examples illustrate the structure and effects of the present invention in more detail. However, the following examples, preparation examples, and experimental examples are provided for illustrative purposes only to aid in understanding the present invention, and the scope and effect of the present invention are not limited thereto.

[0092] [Preparation Example] Preparation of the first cosmetic composition and the second cosmetic composition

[0093] [Preparation Examples 1-1 to 1-10] Preparation of the First Cosmetic Composition

[0094] A first cosmetic composition according to one aspect of the present invention (preparation examples 1-1 to 1-10) was prepared according to the components and contents in Tables 1 and 2 below.

[0095] Specifically, vitamin C ethyl ether (3-O-ethyl ascorbic acid), as a skin active ingredient, is dispersed in caprylic / capric triglyceride, which serves as a dispersion medium, to prepare a vitamin C ethyl ether dispersion. Then, caprylic / capric triglyceride, poly(C10-30) alkanol acrylate, myristyl myristate, and oxkerite, which serve as a dispersion medium and wax, are added, heated, and mixed. The prepared vitamin C ethyl ether dispersion is then mixed into the mixture at room temperature (35°C), followed by a roll mill treatment to obtain the first cosmetic composition as described in Preparation Example 1-1.

[0096] The first cosmetic compositions of Preparation Examples 1-2 to 1-10 below were prepared by the same method as those of Preparation Example 1-1. However, as shown in Tables 1 and 2 below, there are differences in the type and content of the dispersion medium, wax, and skin active ingredients.

[0097] Table 1

[0098] Unit: weight %

[0099]

[0100] Table 2

[0101] Unit: weight %

[0102]

[0103] [Preparation Example 2] Preparation of the Second Cosmetic Composition

[0104] Preparation Example 2: A water-in-oil (W / O) emulsion second cosmetic composition according to one aspect of the present invention was prepared according to the components and contents in Table 3 below.

[0105] Prepare water-in-oil emulsion cosmetic compositions according to the components in Table 3 below.

[0106] Specifically, after the spherical powder and oil portion of Table 3 are uniformly mixed and dispersed, the aqueous portion containing the purified water and polyols is added and uniformly mixed. After degassing and cooling, an oil-in-water cosmetic composition is obtained.

[0107] Table 3

[0108] Unit: weight %

[0109]

[0110] [Experimental Example 1] Microscopic observation of a carrier coated with the first cosmetic composition.

[0111] In a cosmetic according to one aspect of the present invention, in order to confirm whether the first cosmetic composition was coated on the pore walls of the carrier, Example 1 was prepared by the following method and observed using a microscope.

[0112] First, a first cosmetic composition (Preparation Examples 1-11) was prepared according to the ingredients and contents in Table 4 below, using the method described in Preparation Example 1.

[0113] Table 4

[0114] Unit: weight %

[0115]

[0116] Next, after heating the first cosmetic composition of Preparation Examples 1-11 to 70°C, polyurethane foam (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, pore number: 25 ppi, density: 30 kg / m³) was added. 3 The first cosmetic composition was soaked in the coating and coated to form a coating layer with a thickness of 43 μm. The content of the first cosmetic composition being coated was 2.0 g, thereby obtaining a carrier with a coating layer (Example 1).

[0117] Then, the carrier of Example 1 was observed using a microscope (Nikkon LU Plan Fluor), and the results were displayed. Figure 1a as well as Figure 1b middle.

[0118] Figure 1a This is a photograph of the carrier before the first cosmetic composition is applied. Figure 1b It is a photograph of the substrate after the coating has been applied. For example... Figure 1a as well as Figure 1bAs shown, the first cosmetic composition is coated onto the pore walls of the carrier to form a coating layer, thereby providing a contrast to the case where only the pore walls are present. Figure 1a It can be confirmed that the thickness of the partition walls, including the coating layer, is thicker after coating compared to before coating, and consequently, the hollow spaces in the pores are reduced. Figure 1b Additionally, the red color of the pore walls of the carrier, as indicated by the first cosmetic composition, confirms that the first cosmetic composition is applied to the pore walls of the carrier.

[0119] [Experimental Example 2] Evaluation of coating uniformity based on coating thickness of the first cosmetic composition

[0120] To confirm whether the carrier of the cosmetic according to one aspect of the present invention is uniformly coated based on the coating thickness of the first cosmetic composition, Examples 2-1 to 2-6 and Comparative Example 2 were prepared by the following method, and the coating uniformity was evaluated.

[0121] Specifically, Examples 2-1 to 2-6 and Comparative Example 2 used the preparation example 1-1, which included vitamin C ethyl ether as a skin-active ingredient, as the first cosmetic composition. The first cosmetic composition was as shown in Table 5 below, except that the coating thickness was different. It was coated on a carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, pore number: 25 ppi, density: 30 kg / m³). 3 Cosmetics are made by applying these materials to the surface of the skin.

[0122] Next, the coating uniformity was evaluated using the following method, and the results are shown in Table 5 below.

[0123] Evaluation of coating uniformity

[0124] The coating carriers of the cosmetics in Examples 2-1 to 2-6 and Comparative Example 2 were observed under a microscope to evaluate whether the coating was uniform or uneven.

[0125] Table 5

[0126]

[0127] If the first cosmetic composition is not uniformly coated on the pore walls of the carrier, the first content may be unevenly discharged due to the mixing of the first and second contents, and the potency uniformity may also be reduced.

[0128] However, as shown in Table 5, when the thickness of the coating layer of the first cosmetic composition according to one aspect of the invention applied to the pore walls of the carrier is 20 to 450 μm, it is uniformly coated, thereby allowing the skin-active substances contained in the first cosmetic composition to exert their effects. The second cosmetic composition impregnated in the coated carrier can be fully impregnated, so that when the carrier of the cosmetic is pressurized, the first cosmetic composition and the second cosmetic composition are discharged simultaneously, resulting in an excellent effect of applying the two cosmetic compositions to the skin in a mixed state.

[0129] [Experimental Example 3] Evaluation of coating uniformity based on coating content of the first cosmetic composition

[0130] To confirm whether the carrier of the cosmetic according to one aspect of the present invention was uniformly coated based on the coating content of the first cosmetic composition, Examples 3-1 to 3-13 and Comparative Example 3 were prepared by the same method as in Experimental Example 2, and the coating uniformity was evaluated. The results are shown in Table 6 below. In this case, the carriers of Examples 3-1 to 3-13 and Comparative Example 3 are shown in Table 6 below, with the coating content of the first cosmetic composition set to be different.

[0131] Table 6

[0132]

[0133] As shown in Table 6, it was confirmed that the carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, pore count: 25 ppi, density: 30 kg / m³) was suitable. 3 When the coating content of the first cosmetic composition was 0.1 g, the coating was uneven (Comparative Example 3), while the coating was uneven on a carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, density: 30 kg / m³) with a pore number of 25 ppi. 3 When the first cosmetic composition is applied to a coating content of 0.5 to 10.0 g, the coating is uniform.

[0134] Therefore, when the first cosmetic composition according to one aspect of the invention is coated on the pores of the carrier at a concentration of 0.5 to 10.0 g, the first cosmetic composition is uniformly coated, thus confirming the effectiveness of the skin-active substances contained in the first cosmetic composition. The second cosmetic composition impregnated in the coated carrier can be fully impregnated, so that when the carrier of the cosmetic is pressurized, the first cosmetic composition and the second cosmetic composition are simultaneously discharged, resulting in an excellent effect of applying the two cosmetic compositions to the skin in a mixed state.

[0135] [Experimental Example 4] Evaluation of Coating Uniformity Based on Carrier Pore Size

[0136] To confirm whether the carrier of the cosmetic according to one aspect of the present invention is uniformly coated with the first cosmetic composition based on pore size, 1.0 g of the first cosmetic composition was coated using the same method as in Experimental Example 2, and Examples 4-1 to 4-6 and Comparative Example 4 were prepared. The coating uniformity was evaluated, and the results are shown in Table 7 below. The carriers of Examples 4-1 to 4-6 and Comparative Example 4 are shown in Table 7 below, with the pore size of the carriers set to be different.

[0137] Table 7

[0138]

[0139] As shown in Table 7, it was confirmed that a carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, density: 30 kg / m³) with a pore size of 200 μm was suitable. 3 When the first cosmetic composition was applied, the application was uneven (Comparative Example 4). However, when the pore size was 300 to 800 μm, the first cosmetic composition was applied evenly.

[0140] Therefore, when the first cosmetic composition is applied to the pore walls of a carrier according to one aspect of the invention, which has a pore size of 300 to 800 μm, the first cosmetic composition is uniformly applied, thus confirming that the skin-active substances contained in the first cosmetic composition are effective. The second cosmetic composition impregnated in the applied carrier can be fully impregnated, so that when the carrier of the cosmetic is pressurized, the first cosmetic composition and the second cosmetic composition are simultaneously released, resulting in an excellent effect of applying the two cosmetic compositions to the skin in a mixed state.

[0141] [Experimental Example 5] Evaluation of the residual amount (%) of the first cosmetic composition on the carrier based on the type and content of wax contained in the first cosmetic composition.

[0142] To confirm whether the carrier of the cosmetic according to one aspect of the present invention has the ability to stably hold the first cosmetic composition in a form coated on the pore walls of the carrier, Examples 5-1 to 5-10 were prepared by the following method, and the residual amount of the first cosmetic composition of the cosmetic was evaluated.

[0143] Specifically, Examples 5-1 to 5-10 are preparation examples 1-1 to 1-10 with different types or contents of wax, respectively, as the first cosmetic composition. 2g of each of the first cosmetic compositions is coated onto a carrier (ether-based polyurethane foam, diameter: 48mm, thickness: 10mm, pore count: 25ppi, density: 30kg / m³) using the same method as in Experimental Example 2. 3 )superior.

[0144] Next, after storing each of the cosmetics from Examples 5-1 to 5-10 at 45°C for one week, the percentage of the content (coating amount) of the first cosmetic composition remaining in the carrier after one week of storage was calculated based on the initial content (coating amount) of the first cosmetic composition contained in the carrier of each cosmetic. The results are shown in Table 8 below.

[0145] Table 8

[0146]

[0147] Assuming that the first cosmetic composition is not stably coated before the cosmetic is used and the coating layer is damaged, the first and second cosmetic compositions have already mixed before use, making it difficult to obtain the effect confirmed in Experimental Examples 2 and 3, that is, when the pressurized carrier is applied, the first and second cosmetic compositions are released simultaneously, and the skin-active ingredients contained in the first cosmetic composition and the second cosmetic composition each exert their full effects.

[0148] However, as shown in Table 8, when the first cosmetic composition according to one aspect of the present invention comprises 25% by weight of wax with a melting point of 40 to 90°C relative to the total weight of the first cosmetic composition, and 55% to 94.5% by weight of dispersion medium relative to the total weight of the first cosmetic composition, it is confirmed that the cosmetic according to one aspect of the present invention has a residual amount (%) of the first cosmetic composition of 83% or more, and even reaches about 99%, and is stably coated on the pore walls of the carrier.

[0149] Therefore, it can be confirmed that according to one aspect of the present invention, even if a first cosmetic composition including skin-active ingredients is applied to the pore walls of a carrier, as long as the residual amount is 80% or more, when the cosmetic is used while the carrier holds the first cosmetic composition for a long time, it has the excellent effect of having a second cosmetic composition impregnated in the coated carrier applied to the skin together with the first cosmetic composition.

[0150] [Experimental Example 6] Confirmation of whether the first cosmetic composition and the second cosmetic composition are discharged simultaneously.

[0151] In a cosmetic according to one aspect of the present invention, in order to confirm whether the first cosmetic composition coated on the pore walls of the carrier and the second cosmetic composition impregnated in the carrier are simultaneously discharged when the carrier is pressurized, Example 6 was prepared by the following method and an experiment was conducted.

[0152] First, the preparation examples 1-11 of Experimental Example 1 were used as the first cosmetic composition and coated onto the pore walls to achieve a coating thickness of 43 μm. The content of the coated first cosmetic composition was 2.0 g, thereby preparing a carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, pore number: 25 ppi, density: 30 kg / m³) with a coating layer. 3 After impregnating the carrier with the second cosmetic composition described in Preparation Example 2-1 (total impregnation amount of the second cosmetic composition was 13g), the change based on the number of applications was observed visually. The results are as follows: Figure 2 As shown.

[0153] like Figure 2 As shown, the second cosmetic composition is white ( Figure 2 (a, a photograph of the second cosmetic composition before it is impregnated with the carrier), on which a carrier coated with the colored first cosmetic composition (red) is placed. Observing the carrier from above, it can be confirmed that the carrier as a whole displays color. Figure 2 (b, a photograph after the second cosmetic composition has been impregnated in the carrier). Next, the cosmetic containing both the first and second cosmetic compositions will be used, i.e., after dispensing the carrier 20 times. Figure 2 c) and after 60 expenditures ( Figure 2 By comparing the case of d), it can be confirmed that the longer the usage time, that is, the more times the expenditure, the lighter the color of the carrier gradually becomes from red to bright red.

[0154] Thus, it can be confirmed that, according to one aspect of the present invention, when a first cosmetic composition under pressure is applied to a carrier on the pore wall, a second cosmetic composition impregnated in the carrier and the first cosmetic composition are simultaneously discharged, and the two mixed cosmetic compositions can be applied to the skin, thereby having an excellent effect of simultaneously providing the skin with the various different effects of the ingredients contained in each cosmetic composition.

[0155] [Experimental Example 7] Evaluation of the expenditure level of the first cosmetic composition and the second cosmetic composition

[0156] To confirm whether the first cosmetic composition and the second cosmetic composition were properly mixed and discharged when using the cosmetic according to one aspect of the present invention, Examples 7-1 to 7-10 were prepared by the following method, and their pay-off levels were evaluated.

[0157] Specifically, Examples 7-1 to 7-10 use different types or contents of wax as the first cosmetic composition. In each example, 2g of the first cosmetic composition is coated onto a carrier (ether-based polyurethane foam, diameter: 48mm, thickness: 10mm, pore count: 25ppi, density: 30kg / m³) using the same method as in Experimental Example 2. 3 Next, in Preparation Example 2, in which 13g of the second cosmetic composition was impregnated in the carriers of Examples 7-1 to 7-10 coated with the first cosmetic composition, for the carriers of the cosmetics of Examples 7-1 to 7-10 impregnated with the second cosmetic composition, when using a total of 15g of the first and second cosmetic compositions, the extent of application of the first cosmetic composition to the pore walls of the carrier was evaluated according to the following criteria, and the results are shown in Table 9 below.

[0158] Good: The first cosmetic composition and the second cosmetic composition are properly mixed, and there is no foreign body sensation when applied.

[0159] Not suitable when the content of the first cosmetic composition is significantly low and it is not easy to mix with the second cosmetic composition.

[0160] Table 9

[0161]

[0162] As shown in Table 9, when the first cosmetic composition according to one aspect of the present invention comprises 0.5 to 25% by weight of wax with a melting point of 40 to 90°C relative to the total weight of the first cosmetic composition, and 55 to 94.5% by weight of dispersion medium relative to the total weight of the first cosmetic composition, the cosmetic according to one aspect of the present invention exhibits excellent extensibility, confirming that the skin-active ingredients contained in the first cosmetic composition can be properly mixed with the second cosmetic composition and applied to the skin without any foreign body sensation.

[0163] Therefore, it can be confirmed that when the cosmetic according to one aspect of the present invention is used, it has the excellent effect of having a second cosmetic composition impregnated in the coated carrier being properly mixed with the first cosmetic composition, and being applied to the skin without any foreign body sensation.

[0164] [Experimental Example 8] Confirmation of whether the skin-active ingredients contained in the first cosmetic composition retain their potency when applied to a carrier.

[0165] In a cosmetic according to one aspect of the present invention, in order to confirm whether the skin-active ingredients contained in the first cosmetic composition retain their potency when applied to a carrier, Comparative Example 5 and Example 8 were prepared by the following method and experiments were conducted. In this case, Comparative Example 5 was prepared by mixing vitamin C ethyl ether into a general water-in-oil formulation using a general water-in-oil foundation preparation method, and the potency of vitamin C ethyl ether in the formulation was confirmed.

[0166] On one hand, using the same method as in Preparation Example 1, a first cosmetic composition of the components listed in Table 11 below (Preparation Examples 1-12) was prepared, and it was coated onto a carrier (ether-based polyurethane foam, diameter: 48 mm, thickness: 10 mm, pore number: 25 ppi, density: 30 kg / m³) using the same method as in Experimental Example 1. 3 After coating the first cosmetic composition to a thickness of 43 μm and containing 3.0 g of the first cosmetic composition, a second cosmetic composition with the components listed in Table 11 below was prepared using the same method as in Preparation Example 2. This second composition was then impregnated in the coated carrier using the same method as in Experimental Example 7, thus preparing Example 8. The content of vitamin C ethyl ether, the skin-active ingredient, in Comparative Example 5 and Example 8 was the same at 0.3 g per 15 g of the total cosmetic composition.

[0167] Table 10

[0168] Unit: weight %

[0169]

[0170] Table 11

[0171] Unit: weight %

[0172]

[0173] Next, the potency of the skin active ingredient, vitamin C ethyl ether, was determined by the following method, and the results are shown in Table 12 below.

[0174] Methods for determining potency

[0175] The analysis of vitamin C ethyl ether was performed using HPLC with a stationary phase of a 150x4.6mm organic acid column (YMC-Triart C18), a mobile phase of 0.05M KH2PO4 containing 0.05% H3PO4 (pH 2.5), a wavelength of UV 240nm, and a flow rate of 0.7ml / min.

[0176] Table 12

[0177] valence 70.7 99.0

[0178] As shown in Table 12, it can be confirmed that when vitamin C ethyl ether, as a skin active ingredient, is simply contained in a general dosage form and impregnated in a carrier, it becomes unstable due to the influence of other mixed components in addition to air, moisture, light, and heat, resulting in low potency (Comparative Example 5). However, when the vitamin C ethyl ether is coated on the pore walls of the carrier, it is stabilized in the carrier in a state isolated from the elements that make it unstable, such as air, moisture, light, heat, and other components, thereby maintaining high potency (Example 8).

[0179] Thus, it has been confirmed that, according to one aspect of the present invention, a skin-active ingredient whose activity may be reduced or discolored due to air, moisture, light, heat, or other components is coated onto the pore walls of a carrier to isolate and stabilize it. When the carrier is pressurized, even if a first cosmetic composition including the skin-active ingredient is discharged together with a second cosmetic composition that can destabilize the skin-active ingredient impregnated in the carrier, the efficacy of the skin-active ingredient can be maintained.

[0180] That is, it can be confirmed that, according to one aspect of the present invention, when a carrier in which a first cosmetic composition is coated on a pore partition under pressure is simultaneously discharged, the second cosmetic composition and the first cosmetic composition impregnated in the carrier are simultaneously discharged, and the two mixed cosmetic compositions can be applied to the skin, thereby having an excellent effect that allows the two cosmetic compositions to remain stable and simultaneously provide the skin with the different effects of the ingredients contained in each cosmetic composition.

Claims

1. A cosmetic product comprising: The carrier includes multiple pores; A first cosmetic composition is applied to at least a portion of the septa of at least a portion of the pores of the carrier; as well as A second cosmetic composition is impregnated in the carrier. At least a portion of the partition walls of the at least portion of the pores include the partition walls of the pores existing on one or more of the top, bottom, left, or right sides of the carrier, and all the partition walls of the pores existing inside the carrier. The average thickness of the coating layer of the first cosmetic composition applied to the partition walls of the pores present on one or more of the top, bottom, left, and right sides of the carrier and the partition walls of the pores present inside the carrier is 20 to 450 μm. The average size of the plurality of pores is 300 to 900 μm. When coated on a polyurethane foam with a diameter of 48 mm, a height of 10 mm, and a pore size of 25 ppi, which serves as the carrier, the content of the first cosmetic composition is 0.25 to 10.0 g. When the carrier is pressurized, the first cosmetic composition and the second cosmetic composition are simultaneously discharged. The first cosmetic composition includes a wax and a dispersion medium. The first cosmetic composition has one or more of the following characteristics (i) to (iv): (i) The first cosmetic composition comprises 0.5 to 40% by weight of wax relative to the total weight of the first cosmetic composition; (ii) The first cosmetic composition comprises a dispersion medium of 55 to 94.5% by weight relative to the total weight of the first cosmetic composition; (iii) The hardness of the first cosmetic composition measured before being applied to the carrier is 150 to 600 gf under the conditions of a No. 1 cylindrical adapter, a worktable speed of 20 mm / min, and a maximum stress of 2 kg by the force sensor. as well as (iv) The first cosmetic composition has a weight of 1.5 to 67% relative to the total weight of the first cosmetic composition and the second cosmetic composition.

2. The cosmetic product according to claim 1, wherein, The first cosmetic composition also includes skin-active ingredients.

3. The cosmetic product according to claim 2, wherein, The skin-active ingredients include one or more selected from the group consisting of antioxidants, skin whitening agents, wrinkle improvers, moisturizers, and ultraviolet blockers.

4. The cosmetic product according to claim 1, wherein, The first cosmetic composition and the second cosmetic composition together contain one or more ingredients.

5. The cosmetic product according to claim 1, wherein, The residual amount of the cosmetic when the first cosmetic composition is coated on at least a portion of the pores of the carrier is more than 80%, and the residual amount is the percentage of cosmetic residue. The cosmetic composition is coated with 2.0g, and the carrier is an ether-based polyurethane foam with a diameter of 48mm, a height of 10mm, and a pore number of 25ppi. The residual amount is determined based on the initial content of the first cosmetic composition contained in the carrier immediately after the first cosmetic composition is coated. After the coated carrier is stored at 45°C for 1 week, the percentage of the content of the first cosmetic composition remaining in the carrier is calculated.

6. The cosmetic product according to claim 1, wherein, The cosmetic product includes one or more of the following features (a) to (d): (a) The carrier is foam, natural sponge, fabric, felt or mesh; (b) The carrier has a density of 0.02 to 0.2 g / cm³ before being coated with the first cosmetic composition and impregnated with the second cosmetic composition. 3 ; (c) The number of pores in the carrier is 15 to 90 ppi; (d) The coating is selected from one or more of the group consisting of spray coating, dip coating and spread coating.

7. A method for preparing a cosmetic according to any one of claims 1 to 6, comprising: The step of coating at least a portion of the pores of at least a portion of the septum of a carrier comprising multiple pores with a first cosmetic composition; as well as The step of impregnating the carrier with the second cosmetic composition.

8. The preparation method according to claim 6, wherein, The coating step involves applying the first cosmetic composition to the carrier by spraying, soaking, or spreading.

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